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| <p>This page describes how to create the test environment used for Trafodion development, which is intended for people that are contributing to the Trafodion source tree. Please refer to <a href="download.html">Download</a> if you want to try the Trafodion product environment.</p> |
| <div class="page-header"> |
| <h1 id="prerequisites">Prerequisites</h1> |
| </div> |
| <p>The following prerequisites need to be met in order to create a functional Trafodion test environment.</p> |
| <div class="section"> |
| <h2 id="Passwordless_ssh">Passwordless <tt>ssh</tt></h2> |
| <p>Check to see if you have passwordless SSH setup correctly.</p> |
| <div class="source"> |
| <div class="source"> |
| <pre>ssh localhost |
| Last login: Fri Nov 6 22:44:00 2015 from 192.168.1.9 |
| </pre> |
| </div> |
| </div> |
| <p>If the <b><tt>ssh localhost</tt></b> command prompts for a password, then passwordless <b><tt>ssh</tt></b> is not set up correctly.</p> |
| <p>The following is an example of setting up passwordless <b><tt>ssh</tt></b> using <b><tt>id_rsa</tt></b> keys. You can choose the method that best represents your environment.</p> |
| <p>If you already have an existing set of <b><tt>ssh</tt></b> keys. Simply copy both the <b><tt>id_rsa.pub</tt></b> and <b><tt>id_rsa</tt></b> to your <b><tt>~/.ssh</tt></b> directory.</p> |
| <p>Then, do the following to modify your <b><tt>ssh</tt></b> environment.</p> |
| <div class="source"> |
| <div class="source"> |
| <pre>cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys |
| chmod 600 ~/.ssh/id_rsa |
| echo "NoHostAuthenticationForLocalhost=yes" >>~/.ssh/config |
| chmod go-w ~/.ssh/config |
| chmod 755 ~/.ssh; chmod 640 ~/.ssh/authorized_keys; cd ~/.ssh; chmod 700 .. |
| </pre> |
| </div> |
| </div> |
| <p>If you need to create your keys first, then do the following.</p> |
| <div class="source"> |
| <div class="source"> |
| <pre>rm -rf ~/.ssh |
| ssh-keygen -t rsa -N "" -f ~/.ssh/id_rsa |
| cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys |
| chmod 600 ~/.ssh/id_rsa.pub |
| echo "NoHostAuthenticationForLocalhost=yes" >>~/.ssh/config |
| chmod go-w ~/.ssh/config |
| chmod 755 ~/.ssh; chmod 640 ~/.ssh/authorized_keys; cd ~/.ssh; chmod 700 .. |
| </pre> |
| </div> |
| </div> |
| </div> |
| <div class="section"> |
| <h2 id="System_Limits">System Limits</h2> |
| <p>Please check that the system limits in your environment are appropriate for Apache Trafodion. If they are not, then you will need to increase the limits or Trafodion cannot start.</p> |
| <p>The recommended settings are as follows.</p> |
| <div class="source"> |
| <div class="source"> |
| <pre>$ ulimit –a |
| core file size (blocks, -c) 1000000 |
| data seg size (kbytes, -d) unlimited |
| scheduling priority (-e) 0 |
| file size (blocks, -f) unlimited |
| pending signals (-i) 515196 |
| max locked memory (kbytes, -l) 49595556 |
| max memory size (kbytes, -m) unlimited |
| open files (-n) 32000 |
| pipe size (512 bytes, -p) 8 |
| POSIX message queues (bytes, -q) 819200 |
| real-time priority (-r) 0 |
| stack size (kbytes, -s) 10240 |
| cpu time (seconds, -t) unlimited |
| max user processes (-u) 267263 |
| virtual memory (kbytes, -v) unlimited |
| file locks (-x) unlimited |
| </pre> |
| </div> |
| </div> |
| <p>Please refer to this <a class="externalLink" href="http://www.itworld.com/article/2693414/setting-limits-with-ulimit.html">article</a> for information on how you change system limits.</p> |
| <h1 id="setup">Setup</h1> |
| <p>You can create a Trafodion test environment using a:</p> |
| <ul> |
| <li><b>Pre-Installed Hadoop</b>: Trafodion installation on a system that already has a compatible version of Hadoop installed</li> |
| <li><b>Local Hadoop</b>: You install a Hadoop environment using the <b><tt>install_local_hadoop</tt></b> script</li> |
| </ul> |
| <p>Your installation approach depends on whether you already have installed Hadoop.</p> |
| </div> |
| <div class="section"> |
| <h2 id="Pre-Installed_Hadoop">Pre-Installed Hadoop</h2> |
| <p>Use the following instructions if you’re installing Trafodion on a pre-installed Hadoop environment. </p> |
| <div class="section"> |
| <h3 id="Build_Binary_tar_Files">Build Binary tar Files</h3> |
| <p>Build the Trafodion binary tar files.</p> |
| <div class="source"> |
| <div class="source"> |
| <pre>cd <Trafodion source directory> |
| make package |
| </pre> |
| </div> |
| </div> |
| </div> |
| <div class="section"> |
| <h3 id="Install_Trafodion">Install Trafodion</h3> |
| <p>Please refer to the installation instructions described in the <a href="install.html">Installation</a> page.</p> |
| </div> |
| </div> |
| <div class="section"> |
| <h2 id="Local_Hadoop">Local Hadoop</h2> |
| <p>Use the following instructions if you need to install a local Hadoop environment.</p> |
| <div class="section"> |
| <h3 id="Run_install_local_hadoop">Run <tt>install_local_hadoop</tt></h3> |
| <p>The <b><tt>install_local_hadoop</tt></b> script downloads compatible versions of Hadoop, HBase, Hive, and MySQL. Then, it starts Trafodion.</p> |
| <div class="alert alert-dismissible alert-info"> |
| <button type="button" class="close" data-dismiss="alert"></button> |
| <p style="color:black"><b>Time Saver</b></p> |
| <p style="color:black"><b>```install_local_hadoop```</b> downloads Hadoop, HBase, Hive, and MySql jar files from the Internet. To avoid this overhead, you can download the required files into a separate directory and set the environment variable <b>```MY_LOCAL_SW_DIST```</b> to point to this directory.</p> |
| </div> |
| <table border="0" class="bodyTable table table-striped table-hover"> |
| <thead> |
| <tr class="a"> |
| <th>Command </th> |
| <th>Usage</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="b"> |
| <td><b><tt>install_local_hadoop</tt></b> </td> |
| <td>Uses default ports for all services.</td> |
| </tr> |
| <tr class="a"> |
| <td><b><tt>install_local_hadoop -p fromDisplay</tt></b> </td> |
| <td>Start Hadoop with a port number range determined from the DISPLAY environment variable.</td> |
| </tr> |
| <tr class="b"> |
| <td><b><tt>install_local_hadoop -p rand</tt></b> </td> |
| <td>Start with any random port number range between 9000 and 49000.</td> |
| </tr> |
| <tr class="a"> |
| <td><b><tt>install_local_hadoop -p <port></tt></b> </td> |
| <td>Start with the specified port number.</td> |
| </tr> |
| </tbody> |
| </table> |
| <p>For a list of ports that get configured and their default values, please refer to <a href="port-assignment.html">Port Assignments</a>.</p> |
| </div> |
| <div class="section"> |
| <h3 id="Sample_Procedure">Sample Procedure</h3> |
| <p>Start a new <b><tt>ssh</tt></b> session and ensure that the Trafodion environmental variables are loaded.</p> |
| <div class="source"> |
| <div class="source"> |
| <pre>cd <Trafodion source directory> |
| source ./env.sh |
| </pre> |
| </div> |
| </div> |
| <p>Install the Hadoop software.</p> |
| <div class="source"> |
| <div class="source"> |
| <pre>cd $MY_SQROOT/sql/scripts |
| install_local_hadoop |
| ./install_traf_components |
| </pre> |
| </div> |
| </div> |
| <p>Verify installation.</p> |
| <div class="source"> |
| <div class="source"> |
| <pre>$ swstatus |
| 6 java servers and 2 mysqld processes are running |
| 713 NameNode |
| 19513 HMaster |
| 1003 SecondaryNameNode |
| 838 DataNode |
| 1173 ResourceManager |
| 1298 NodeManager |
| </pre> |
| </div> |
| </div> |
| <p>Six java servers as shown above and two mysqld processes should be running.</p> |
| <h1 id="install_and_build_trafodion">Install and Build Trafodion</h1> |
| <p>Please refer to <a href="code.html">Modify Code</a> for information on how to install and build Trafodion from its source code.</p> |
| <h1 id="new_source_download">New Source Download</h1> |
| <p>You need to do the following each time you download new source code.</p> |
| <div class="source"> |
| <div class="source"> |
| <pre>cd <Trafodion source directory> |
| source ./env.sh |
| cd $MY_SQROOT/etc |
| # delete ms.env, if it exists |
| rm ms.env |
| cd $MY_SQROOT/sql/scripts |
| sqgen |
| </pre> |
| </div> |
| </div> |
| <h1 id="manage">Manage</h1> |
| <p>Please refer to <a href="manage-dev-environment.html">Manage Development Environment</a> for instructions.</p> |
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| <div class="span4 bottom-description"> |
| <blockquote><a href="http://trafodion.apache.org/">Apache Trafodion</a> is a webscale SQL-on-Hadoop solution enabling transactional or operational |
| workloads on Hadoop. <br /><br />The name "Trafodion" (the Welsh word for transactions, pronounced |
| "Tra-vod-eee-on") was chosen specifically to emphasize the differentiation that |
| Trafodion provides in closing a critical gap in the Hadoop ecosystem.<br /><br /> |
| Trafodion builds on the scalability, elasticity, and flexibility of Hadoop. Trafodion extends |
| Hadoop to provide guaranteed transactional integrity, enabling new kinds of big data |
| applications to run on Hadoop.</blockquote> |
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| <span>Disclaimer: Apache Trafodion is an effort undergoing incubation at the Apache Software Foundation (ASF), sponsored by the Apache Incubator PMC. |
| Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making |
| process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the |
| completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</span> |
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